	var posterNumber = 0;
	
	function changeImage() {
		
		var poster = document.getElementById('poster');
		
		if (posterNumber == 0) {
			poster.src = "media/images/iacademy/posters/0.png";
			posterNumber = 1;
		} else if (posterNumber == 1) {
			poster.src = "media/images/iacademy/posters/1.png";
			posterNumber = 2;
		} else {
			poster.src = "media/images/iacademy/posters/2.png";
			posterNumber = 0;
		}
		
		setTimeout('changeImage()', 6000);
	}